You will need to be a customer of the bank for them to exchange the note.

Remember though, if you have a lot of notes stashed away in cash savings, you may be asked to provide identification, such as a passport or driving licence to trade them in.

Are there new £10 notes which are worth more?

Serial numbers starting with 'AA01' were what to grab when the new fiver came out, but things have changed for the £10.

With the AA01's going to a special charity auction, it looks like AH is the serial code you need as that's the one you'll find on the streets.

So far, all the early ones we've seen have had AH on them, rather than AA.

Already these are selling for £30 each on eBay, with many more listed. But with so few available, the really attractive notes are yet to surface. The few AH01 notes on eBay are currently set as high as £99.99 - but yet to sell.

Read More

You should also look out for: JA01, they're Austen's initials; JA75, because that's Austen’s birth year; and JA17, the year of the author's death.

Serial numbers '16 121775' and '18 071817', which would represent Austen's date of birth and death respectively, might also fetch you a small fortune.

Serial number '17 751817' includes her birth and death year combined. And '28 011813' was when Pride and Prejudice was first published, so might also be worth much more than the value it technically represents.

New £10 note security features

Hidden features on the new £10 note

The new £10 note has sophisticated security features to thwart counterfeiters.

A see-through window featuring the Queen's portrait

Winchester Cathedral shown in gold foil on the front of the note and silver on the back

A quill at the side of the window which changes from purple to orange

A hologram which contains the word Ten and changes to Pounds when the note is tilted

A hologram of the coronation crown which appears 3D and multi-coloured when the note is tilted

A book-shaped copper foil patch which contains the lettering JA

Micro-lettering beneath the Queen's portrait with tiny letters and numbers that can be seen under a microscope

The words Bank of England printed in intaglio (raised ink) along the top of the note